Nutbeam, D., & Harris, E. (2004). Theory in a nutshell: A practical guide to health promotion theories (2nd ed.). McGraw-Hill.
Dyfyniad Arddull ChicagoNutbeam, Don, and Elizabeth Harris. Theory in a Nutshell: A Practical Guide to Health Promotion Theories. 2nd ed. Sydney: McGraw-Hill, 2004.
Dyfyniad MLANutbeam, Don, and Elizabeth Harris. Theory in a Nutshell: A Practical Guide to Health Promotion Theories. 2nd ed. McGraw-Hill, 2004.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.
